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Fix another problem with ALTER TABLE and vector UPDATE statements within triggers.

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FossilOrigin-Name: a0df216f7c3f8963efba0b1ffee65d6a63309d846ffdcf2d2932cb4f1d4967b7
This commit is contained in:
dan
2021-09-29 18:33:26 +00:00
parent eda0001d89
commit ab632bc97e
4 changed files with 33 additions and 13 deletions
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14
src/expr.c
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@@ -516,12 +516,16 @@ Expr *sqlite3ExprForVectorField(
pRet->pLeft = pVector;
}
}else{
if( pVector->op==TK_VECTOR ) pVector = pVector->x.pList->a[iField].pExpr;
pRet = sqlite3ExprDup(pParse->db, pVector, 0);
if( pRet && IN_RENAME_OBJECT ){
SWAP(Expr, *pRet, *pVector);
sqlite3RenameTokenRemap(pParse, pRet, pVector);
if( pVector->op==TK_VECTOR ){
Expr **ppVector = &pVector->x.pList->a[iField].pExpr;
pVector = *ppVector;
if( IN_RENAME_OBJECT ){
/* This must be a vector UPDATE inside a trigger */
*ppVector = 0;
return pVector;
}
}
pRet = sqlite3ExprDup(pParse->db, pVector, 0);
}
return pRet;
}